Improve comments in Format.hs
Improve comments in Format.hs

Ignore-this: fdd2199a4dadadbaa022f0b3e30f0342

darcs-hash:20100817033212-2bae8-8c716daf0cd67a35e8ab7ee213a83b08778c3bc2.gz

the-real-blackh/hexpat,the-real-blackh/hexpat,the-real-blackh/hexpat